In[33]:=
n = 5;
L = 2;
a0 = 2;
an = 0;
bn = H- 1Li+1 * 2  i  Pi;
F = a0  2 + Sum@an * Cos@2 * Pi * i * x  LD, 8i, n<D + Sum@bn * Sin@2 * Pi * i * x  LD, 8i, n<D;
Plot@F, 8x, - 2, 2<D
2.0
1.5
1.0
Out[39]=
0.5
-2
In[40]:=
-1
1
2
n = 50;
L = 2;
a0 = 2;
an = 0;
bn = H- 1Li+1 * 2  i  Pi;
F = a0  2 + Sum@an * Cos@2 * Pi * i * x  LD, 8i, n<D + Sum@bn * Sin@2 * Pi * i * x  LD, 8i, n<D;
Plot@F, 8x, - 2, 2<D
2.0
1.5
Out[46]=
1.0
0.5
-2
-1
1
2
2
MM7_P1.nb
In[105]:=
n = 5;
L = 4;
a0 = 2;
an = 0;
bn = 8 ‘ i2 ‘ HPiL2 * HSin@i * Pi  2DL3 ;
F = a0  2 + Sum@an * Cos@2 * Pi * i * x  LD, 8i, n<D + Sum@bn * Sin@2 * Pi * i * x  LD, 8i, n<D;
Plot@F, 8x, - 2, 2<D
1.5
1.0
Out[111]=
0.5
-2
In[98]:=
-1
1
2
n = 50;
L = 4;
a0 = 2;
an = 0;
bn = 8 ‘ i2 ‘ HPiL2 * HSin@i * Pi  2DL3 ;
F = a0  2 + Sum@an * Cos@2 * Pi * i * x  LD, 8i, n<D + Sum@bn * Sin@2 * Pi * i * x  LD, 8i, n<D;
Plot@F, 8x, - 2, 2<D
2.0
1.5
1.0
Out[104]=
0.5
-2
-1
1
2